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Earnings Per Share - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		6 Months Ended
	Feb. 01, 2021	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Sale Of Stock [Line Items]
Common stock, par value (in USD per share)	$ 0.01	$ 0.01		$ 0.01
Sale price to public (in USD per share)	$ 30.25
Underwriting discounts, commissions and other related costs related to offering		$ 12.7	$ 0.0
Public Offering
Sale Of Stock [Line Items]
Stock sold in offering (shares)	8,625,000
Net proceeds from stock offering	$ 260.9
Underwriting discounts, commissions and other related costs related to offering	$ 12.7
Firm Shares
Sale Of Stock [Line Items]
Stock sold in offering (shares)	7,500,000
Additional Shares Granted to Underwriters
Sale Of Stock [Line Items]
Stock sold in offering (shares)	1,125,000

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Sale Of Stock

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Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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The cash outflow for cost incurred directly with the issuance of an equity security.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

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